CN105585123A - Integrated biological powdered activated carbon adsorption and precipitation device and application method thereof - Google Patents
Integrated biological powdered activated carbon adsorption and precipitation device and application method thereof Download PDFInfo
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- CN105585123A CN105585123A CN201610118805.5A CN201610118805A CN105585123A CN 105585123 A CN105585123 A CN 105585123A CN 201610118805 A CN201610118805 A CN 201610118805A CN 105585123 A CN105585123 A CN 105585123A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
- C02F2003/003—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms using activated carbon or the like
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses an integrated biological powdered activated carbon adsorption and precipitation device and an application method thereof. The method comprises the following steps: allowing sewage to be treated to enter an adsorption area, throwing powdered activated powder in the adsorption area, adsorbing organic matters, performing the aerobic aeration for the adsorption area, facilitating the growth of bacteria on the surface of the powdered activated powder, facilitating the nitration, allowing the water discharged from the adsorption area to enter a refluxing area, throwing a carbon source in the refluxing area, facilitating the denitrification, then allowing the sewage to enter an ascending area, when the sewage passes through a three-phase separator, scattering the denitrification nitrogen in the sewage into the air by virtue of a release pipe, allowing the sewage to enter a floating bed precipitation area, separating carbon from the sewage to enter a sludge hopper, and allowing the sewage to be discharged out of the device by virtue of a water outlet overflow weir. By adopting the integrated biological powder activated carbon adsorption and precipitation device and the application method thereof, the organic matters which are difficult to biochemically degrade in the waste water are removed with relatively low operation expense; and meanwhile, by virtue of biological enhancement on the powdered activated carbon carrier, a function for removing ammonium nitrogen and total nitrogen can be realized.
Description
Technical field
The present invention relates to a kind of sewage water advanced treatment apparatus and using method thereof, particularly relate to a kind of integral biological Powdered Activated Carbon adsorption precipitation device and using method thereof.
Background technology
The sewage-treatment plant of at present a lot of industrial enterprises or Industrial Concentrated Area all exists and is difficult to a difficult problem up to standard, and main cause is complicated in trade effluent, and the fluctuation of water quality and the water yield is all larger, and existing sewage disposal device is difficult to meet the demands.
Active carbon is the regeneration of Powdered Activated Carbon especially, is widely applied in recent years. This can significantly reduce the use cost of Powdered Activated Carbon, subdues to 20 ~ 30% of existing Powdered Activated Carbon price, makes the organic application of charcoal absorption become possibility.
Consider economy, in sewage disposal, the absorption of Powdered Activated Carbon is mainly used in aspect two at present: the first is for the adsorb organic compound of wastewater deep treatment process and decolouring, and the second is the biological reinforced technique of powder charcoal (PACT technique) in conjunction with activated sludge process.
The Chinese patent that Chinese Patent Application No. is 201510891935.8, name is called " a kind of System and method for of adsoption catalysis oxidizing process advanced treatment of dyeing wastewater " discloses a kind of technique of utilizing reproducible powder charcoal combined with ozone oxidation, for advanced treating and the reuse of dyeing waste water, it is exactly the application of the first. The Chinese patent that Chinese Patent Application No. is 201010202027.0, name is called the Chinese patent of " integral bio-enhancement activated carbon dynamic membrane synchronous denitrogen dephosphorus technology " and Chinese Patent Application No. is 201510044999.4, name is called " a kind of sewage denitrification and dephosphorization treating apparatus of improved Powdered Activated Carbon biological treatment " all discloses and has utilized biological reinforced Powdered Activated Carbon to carry out the denitrogenation dephosphorizing of sewage, is exactly the application of the second. In Powdered Activated Carbon after the first application absorption is saturated, other impurity is few, is mainly the organic matter of charcoal absorption, and active carbon is easy to regeneration, and the effect that after regeneration, absorption property recovers might as well. The second is applied owing to having mixed a large amount of activated sludge, and Powdered Activated Carbon is difficult to regeneration, and the effect that after regeneration, absorption property recovers is also difficult to ensure.
Most of trade effluent, especially waste water after Industrial Concentrated Area sewage treatment plant biochemistry, the situation that often exists organic matter, ammonia nitrogen, total nitrogen and total phosphorus trace to exceed standard, the related renewable Powdered Activated Carbon absorption of technology at present, be applied to organic removal more, be difficult to remove ammonia nitrogen, total nitrogen and total phosphorus.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of integral biological Powdered Activated Carbon adsorption precipitation device and using method thereof, it utilizes the absorption property that Powdered Activated Carbon is stronger, by absorption and the regeneration of Powdered Activated Carbon, remove the organic matter that is difficult to biochemical degradation in waste water with lower operating cost, simultaneously, biological reinforced by Powdered Activated Carbon carrier, also has the function of removing ammonia nitrogen and total nitrogen.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of integral biological Powdered Activated Carbon adsorption precipitation device, it is characterized in that, described integral biological Powdered Activated Carbon adsorption precipitation device comprises inlet pipeline, outlet pipeline, aerating pipelines, adsorption zone, recirculating zone, rising area, floating bed settling zone, three phase separator, sludge bucket, effluent overflow weir water, agitator, air release pipeline, the side of adsorption zone is communicated with outlet pipeline respectively, recirculating zone is communicated with effluent overflow weir water, aerating pipelines, inlet pipeline is all communicated with adsorption zone, adsorption zone is positioned at recirculating zone, rising area is positioned at the side of recirculating zone, floating bed settling zone is positioned at the side of adsorption zone and is positioned at the top of rising area, three phase separator is between rising area and floating bed settling zone, sludge bucket is in the side of recirculating zone and between effluent overflow weir water and air release pipeline, agitator is positioned at recirculating zone and is positioned at the below of adsorption zone.
Preferably, described integral biological Powdered Activated Carbon adsorption precipitation device is connected with a sludge reflux pump.
The present invention also provides a kind of using method of integral biological Powdered Activated Carbon adsorption precipitation device, it is characterized in that, it comprises the following steps: pending sewage enters adsorption zone, add Powdered Activated Carbon at adsorption zone and carry out Adsorption of Organic, adsorption zone aerobic aeration simultaneously, can be on Powdered Activated Carbon superficial growth bacterium, there is nitrification, adsorption zone water outlet enters recirculating zone, add carbon source in this region, can there is denitrification, then sewage enters rising area, when sewage passes through three phase separator, in sewage, denitrifying nitrogen is dispersed in air by discharge conduit, sewage enters floating bed settling zone, charcoal separates and enters sludge bucket with sewage, sewage is by effluent overflow weir water discharger.
Positive progressive effect of the present invention is: the present invention utilizes the absorption property that Powdered Activated Carbon is stronger, by absorption and the regeneration of Powdered Activated Carbon, remove the organic matter that is difficult to biochemical degradation in waste water with lower operating cost, simultaneously, biological reinforced by Powdered Activated Carbon carrier, also has the function of removing ammonia nitrogen and total nitrogen.
Brief description of the drawings
Fig. 1 is the structural representation of integral biological Powdered Activated Carbon adsorption precipitation device of the present invention.
Fig. 2 is the fundamental diagram of integral biological Powdered Activated Carbon adsorption precipitation device of the present invention.
Detailed description of the invention
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
As depicted in figs. 1 and 2, integral biological Powdered Activated Carbon adsorption precipitation device 2 of the present invention comprises inlet pipeline 7, outlet pipeline 8, aerating pipelines 9, adsorption zone (nitrification zone) 10, recirculating zone (denitrification zone) 11, rising area (denitrification bubble discharges district) 12, floating bed settling zone 13, three phase separator 14, sludge bucket 15, effluent overflow weir water 16, agitator 17, air release pipeline 19, the side of adsorption zone 10 is communicated with outlet pipeline 8 respectively, and recirculating zone 11 is communicated with effluent overflow weir water 16, aerating pipelines 9, inlet pipeline 7 is all communicated with adsorption zone 10, adsorption zone 10 is positioned at recirculating zone 11, rising area 12 is positioned at the side of recirculating zone 11, floating bed settling zone 13 is positioned at the side of adsorption zone 10 and is positioned at the top of rising area 12, three phase separator 14 is between rising area 12 and floating bed settling zone 13, sludge bucket 15 is in the side of recirculating zone 11 and between effluent overflow weir water 16 and air release pipeline 19, and agitator 17 is positioned at recirculating zone 11 and is positioned at the below of adsorption zone 10. integral biological Powdered Activated Carbon adsorption precipitation device of the present invention is connected with a sludge reflux pump 18.
The using method of integral biological Powdered Activated Carbon adsorption precipitation device of the present invention comprises the following steps: pending sewage 7 enters adsorption zone (nitrification zone) 10, add Powdered Activated Carbon at adsorption zone 10 and carry out Adsorption of Organic, adsorption zone aerobic aeration simultaneously, can be on Powdered Activated Carbon superficial growth bacterium, there is nitrification, adsorption zone 10 water outlets enter recirculating zone (denitrification zone) 11, add carbon source in this region, can there is denitrification, then sewage enters rising area (denitrification bubble discharges district) 12, when sewage passes through three phase separator 14, in sewage, denitrifying nitrogen is dispersed in air by discharge conduit 19, sewage enters floating bed settling zone 13, charcoal separates with sewage and enters sludge bucket 15, sewage is by effluent overflow weir water 16 dischargers. sludge reflux pump 18 be by the Powdered Activated Carbon of recirculating zone (denitrification zone) 11 and sewage backflow to adsorption zone (nitrification zone) 10, do like this and can keep adsorption zone (nitrification zone) 10 to have abundant Powdered Activated Carbon (being mainly the microorganism that activated carbon surface adheres to) to bring into play nitrated function realizing.
The sewage 1 that need to propose mark processing enters integral biological Powdered Activated Carbon adsorption precipitation device 2, add as required appropriate Powdered Activated Carbon and denitrifying carbon source, in reactor, there is removing of Adsorption of Organic and ammonia nitrogen, total nitrogen, adsorb saturated active carbon and discharge system, after regenerating with Powdered Activated Carbon regenerating unit 3, returning to integral biological Powdered Activated Carbon adsorption precipitation device 2 continues to use, if precipitation water outlet total phosphorus is not up to standard, add dephosphorization medicament 4, then enter filter 5 and process, rear sewage 6 up to standard discharges.
Integral biological Powdered Activated Carbon adsorption precipitation device can be removed the organic matter in sewage, is by adding Powdered Activated Carbon at adsorption zone 10, and Powdered Activated Carbon has good Adsorption ability to realize to organic matter. Can discharge integrated apparatus by the sludge bucket of integrated apparatus 15 and adsorb saturated Powdered Activated Carbon, with after Powdered Activated Carbon regenerating unit 2 regeneration recovery absorption properties, Powdered Activated Carbon continues to be added to the adsorption zone 10 in integral biological Powdered Activated Carbon adsorption precipitation device.
Integral biological Powdered Activated Carbon adsorption precipitation device can be removed ammonia nitrogen and the total nitrogen in sewage, because at adsorption zone 10 aerobic aerations, powder activity carbon surface in the adsorption zone biomembrane of can growing, these biomembranes have the function of " nitrated ", and the mineralized nitrogen in sewage is become to nitrate nitrogen. And adsorption zone 10 and recirculating zone (denitrification zone) 11 is communicated with, when sewage and Powdered Activated Carbon enter recirculating zone, there is no aeration, belong to the environment of anoxic, add carbon source this time, can there is again the function of " denitrification " in the epontic biomembrane of Powdered Activated Carbon, the nitrate nitrogen in sewage is changed into nitrogen, and the ammonia nitrogen in water and total nitrogen (containing ammonia nitrogen and nitrate nitrogen) have just obtained removal like this.
It should be noted that, " nitrification " be nitrifier and nitrococcus under aerobic condition, be the process of nitrate nitrogen and nitrite nitrogen by the mineralized nitrogen in sewage. " denitrification " also claims denitrification, and denitrifying bacteria, under anoxia condition, utilizes carbon source reduction nitrate, discharges molecular nitrogen (N2) process. On powder activity carbon surface a lot of bacteriums that can grow, comprise nitrifier, nitrococcus and denitrifying bacteria, in aerobic (referring to adsorption zone 10) and anoxic (referring to recirculating zone 11) situation, there is different reactions in these bacteriums, the ammonia nitrogen in sewage and total nitrogen (containing ammonia nitrogen and nitrate nitrogen) are removed.
The effect of three phase separator 14 is to add after carbon source denitrification at sewage; can generate nitrogen; utilize three phase separator to distinguish rising area 12 and floating bed settling zone 13; can protect the running environment of settling zone; avoid the disturbance of bubble; the double effect of playing water distribution of three phase separator simultaneously, is discharged in atmosphere by gas discharge tube 19 through the nitrogen of collecting. Sludge bucket 15 arranges for the height that regulates floating bed sludge blanket, and in Practical Project, this sludge bucket can regulate height, so just reaches stablizing of floating bed. The filtration mechanism of the charcoal bed that floating bed settling zone 13 forms by Powdered Activated Carbon, reaches the effect of precipitation, can ensure like this high efficiency of settling zone, high effect.
The present invention need to carry the hardly degraded organic substance of marking in the sewage of processing and remove by adding Powdered Activated Carbon, because most of sewage has passed through biochemical treatment, its COD index is lower, therefore only needs to add appropriate Powdered Activated Carbon, to reduce operating cost. This part powder charcoal dosage is based on organic absorption, basis in general design: value is carried out in powder charcoal weight=0.05 ~ 0.40 of the COD weight of waste water absorption/add, and absorption is designed to 0 ~ 3 hour time of contact.
The present invention need to carry the ammonia nitrogen in the sewage that mark processes, and is the mode by aerobic aeration, utilizes to be attached to that nitrifier on Powdered Activated Carbon removes. The design time of staying of nitrification zone is 0 ~ 3 hour, and the dissolved oxygen of aerobic aeration is controlled at 0 ~ 2.5mg/L, and pH value is controlled at 6.5 ~ 8.0. Sludge reflux by denitrification zone in running is to nitrification zone, and taking the sludge concentration that maintains nitrification zone as 0 ~ 50g/L, reflux ratio is 0 ~ 10 times. The sludge age of controlling whole system is 0 ~ 20 day, can ensure denitrification effect.
The present invention need to carry the total nitrogen in the sewage that mark processes, be the mode by add carbon source toward sewage in, utilizes and is attached to the removal of denitrifying bacterium on Powdered Activated Carbon. The design time of staying of denitrification zone is 0 ~ 4 hour, adopts mixer to stir, and dissolved oxygen is controlled at below 0 ~ 1.0mg/L, and pH value is controlled at 6.5 ~ 8.0.
The present invention need to carry the total phosphorus of marking in the sewage of processing, by adding coagulated agent in the water outlet toward through Powdered Activated Carbon adsorption precipitation, and hold back and remove in follow-up filter tank, the coagulant adding can adopt molysite, aluminium salt, dosage according to total phosphorus claimed range at 0 ~ 500mg/L. The filter adopting can adopt turntable filter chamber, V-type filter tank etc.
Integral biological Powdered Activated Carbon adsorption precipitation device in the present invention, formed by adsorption zone (Ye Shi aerobic nitrification district), recirculating zone (being also denitrification zone), rising area (being also that denitrification bubble discharges district), floating bed settling zone simultaneously, remove realize organic matter, ammonia nitrogen, total nitrogen in a reactor in simultaneously simultaneously.
In the present invention, Powdered Activated Carbon, except the medium as adsorb organic compound, also as microorganism carrier, by improving concentration of activated carbon, can improve content of microorganisms in reactor. Active carbon has porous, and specific area is large, can provide good Adhesion Interface and microenvironment for microorganism, and accelerate growth of microorganism improves microbial activity and the removal effect to degrading organic pollutant, nitrogen and phosphorus. By controlling the dissolved oxygen concentration of zones of different in reactor, realize that bio-enhancement activated carbon is nitrated, denitrification process, reach effective removal of nitrogen. Device running environment is beneficial to Denitrifying Phosphate Accumulating Organisms breeding, utilizes nitrate to absorb phosphorus for electron acceptor, realizes denitrogenation and dephosphorization.
The present invention utilizes reproducible Powdered Activated Carbon, and the hardly degraded organic substance in adsorption treatment waste water utilizes bioaugmentation to remove ammonia nitrogen, the total nitrogen in waste water simultaneously, also can medicament strengthening remove total phosphorus.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect to solution of the present invention further describe; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. an integral biological Powdered Activated Carbon adsorption precipitation device, it is characterized in that, described integral biological Powdered Activated Carbon adsorption precipitation device comprises inlet pipeline, outlet pipeline, aerating pipelines, adsorption zone, recirculating zone, rising area, floating bed settling zone, three phase separator, sludge bucket, effluent overflow weir water, agitator, air release pipeline, the side of adsorption zone is communicated with outlet pipeline respectively, recirculating zone is communicated with effluent overflow weir water, aerating pipelines, inlet pipeline is all communicated with adsorption zone, adsorption zone is positioned at recirculating zone, rising area is positioned at the side of recirculating zone, floating bed settling zone is positioned at the side of adsorption zone and is positioned at the top of rising area, three phase separator is between rising area and floating bed settling zone, sludge bucket is in the side of recirculating zone and between effluent overflow weir water and air release pipeline, agitator is positioned at recirculating zone and is positioned at the below of adsorption zone.
2. integral biological Powdered Activated Carbon adsorption precipitation device as claimed in claim 1, is characterized in that, described integral biological Powdered Activated Carbon adsorption precipitation device is connected with a sludge reflux pump.
3. the using method of an integral biological Powdered Activated Carbon adsorption precipitation device, it is characterized in that, it comprises the following steps: pending sewage enters adsorption zone, add Powdered Activated Carbon at adsorption zone and carry out Adsorption of Organic, adsorption zone aerobic aeration simultaneously, can be on Powdered Activated Carbon superficial growth bacterium, there is nitrification, adsorption zone water outlet enters recirculating zone, add carbon source in this region, can there is denitrification, then sewage enters rising area, when sewage passes through three phase separator, in sewage, denitrifying nitrogen is dispersed in air by discharge conduit, sewage enters floating bed settling zone, charcoal separates and enters sludge bucket with sewage, sewage is by effluent overflow weir water discharger.
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Cited By (6)
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| CN106242028A (en) * | 2016-08-08 | 2016-12-21 | 上海市政工程设计研究总院（集团）有限公司 | A kind of biological powder activated carbon purification method of water supply factory |
| CN106865761A (en) * | 2017-04-11 | 2017-06-20 | 湖北君集水处理有限公司 | A kind of enhanced biological water process anti-nitration reaction device |
| CN107311410A (en) * | 2017-08-29 | 2017-11-03 | 江西夏氏春秋环境研究院有限公司 | A kind of Short-range efficient simultaneous denitrification interior circulation integrated bio reactor |
| CN109956553A (en) * | 2017-12-22 | 2019-07-02 | 株式会社久保田 | A kind of wastewater treatment method and device that selective absorption is combined with biological treatment |
| CN113415951A (en) * | 2021-06-28 | 2021-09-21 | 广西春晖环保工程有限责任公司 | Method and device for treating high-concentration formaldehyde wastewater by physical-biological combination method |
| CN113582436A (en) * | 2021-07-06 | 2021-11-02 | 山东泰亚环保科技有限公司 | Activated carbon supported microorganism cyclic aeration system and process |
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| CN113415951A (en) * | 2021-06-28 | 2021-09-21 | 广西春晖环保工程有限责任公司 | Method and device for treating high-concentration formaldehyde wastewater by physical-biological combination method |
| CN113415951B (en) * | 2021-06-28 | 2022-03-18 | 广西春晖环保工程有限责任公司 | Method and device for treating high-concentration formaldehyde wastewater by physical-biological combination method |
| CN113582436A (en) * | 2021-07-06 | 2021-11-02 | 山东泰亚环保科技有限公司 | Activated carbon supported microorganism cyclic aeration system and process |
| CN113582436B (en) * | 2021-07-06 | 2023-09-19 | 山东泰亚环保科技有限公司 | Activated carbon microorganism-loaded cyclic aeration system and technology |
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